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Finding the Fourth Proportional to 532,610.01, 734,997.87 and 290,892.69

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Solution

The fourth proportional to 532,610.01, 734,997.87 and 290,892.69 is: 401,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,610.01 : 734,997.87 = 290,892.69 : x
  2. Step 2: Convert to fraction form
    532,610.01/734,997.87 = 290,892.69/x
  3. Step 3: Cross multiply
    532,610.01x = 734,997.87 × 290,892.69
  4. Step 4: Simplify right side
    532,610.01x = 213,805,507,548.57
  5. Step 5: Solve for x
    x = 213,805,507,548.57/532,610.01
  6. Step 6: Final answer
    x = 401,429.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.